Question

an acute respiratory syndrome that occurs in children and infants and is characterized by laryngeal obstruction and barking cough is known as:
a pertussis
b croup
c rhonchi
d atelectasis

Explanation:

• Option A: Pertussis (whooping cough) is characterized by severe coughing fits, not laryngeal obstruction with a barking cough.
• Option B: Croup is an acute respiratory syndrome in children/infants with laryngeal obstruction and a barking cough, matching the description.
• Option C: Rhonchi are abnormal lung sounds (rattling), not a syndrome with the given features.
• Option D: Atelectasis is lung collapse, not related to laryngeal obstruction or barking cough.

Answer:

B. croup